package com.memory.config;

import com.memory.common.JacksonObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.cbor.MappingJackson2CborHttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.util.List;

/**
 * @author 邓哈哈
 * 2023/1/10 20:43
 * Function:
 * Version 1.0
 */
@Slf4j
@Configuration
public class WebSpringMvcConfig extends WebMvcConfigurationSupport {
    /**
     * 开启静态资源管理
     *
     * @param registry
     */
    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        log.info("开启静态资源映射...");
        registry.addResourceHandler("/backend/**").addResourceLocations("classpath:/backend/");
        registry.addResourceHandler("/front/**").addResourceLocations("classpath:/front/");
    }

    /**
     * 扩展mvc框架的消息转换器
     *
     * @param converters
     */
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("扩展消息转换器...");
        //创建消息转换器
        MappingJackson2HttpMessageConverter messageConverter = new MappingJackson2HttpMessageConverter();
        //设置具体的对象映射器
        messageConverter.setObjectMapper(new JacksonObjectMapper());
        //通过索引设置,让自己的转换器放在最前面,否则默认的jackson转换器会在最前面,用不上我们设置的转换器
        converters.add(0, messageConverter);
    }
}
